Dusk Maiden of Amnesia 2012

Dusk Maiden of Amnesia: DUSK MAIDEN OF AMNESIA revolves around a first-year high school student, Teiichi Niiya who had just enrolled at Seikyou Private Academy. One day while wandering the hallowed halls, he gets lost in one of the schools old buildings and encounters Yuuko Kanoe, who reveals herself as a ghost with no memories. While investigating her death by looking through the schools seven mysteries, they discover the truth about these ghost stories and help those who are troubled